1 files changed, 49 insertions, 0 deletions
diff --git a/test/CodeGenCXX/mangle-exception-spec.cpp b/test/CodeGenCXX/mangle-exception-spec.cpp
new file mode 100644
index 000000000000..15f7a8b6cb50
--- /dev/null
+++ b/test/CodeGenCXX/mangle-exception-spec.cpp
@@ -0,0 +1,49 @@
+// RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -triple=x86_64-apple-darwin9 -Wno-dynamic-exception-spec | FileCheck %s --check-prefix CHECK --check-prefix CHECK-CXX11
+// RUN: %clang_cc1 -std=c++1z -emit-llvm %s -o - -triple=x86_64-apple-darwin9 -Wno-dynamic-exception-spec | FileCheck %s --check-prefix CHECK --check-prefix CHECK-CXX17
+
+// CHECK: define {{.*}} @_Z1aPFivE(
+void a(int() throw(int, float)) {}
+// CHECK-CXX11: define {{.*}} @_Z1bPFivE(
+// CHECK-CXX17: define {{.*}} @_Z1bPDoFivE(
+void b(int() noexcept) {}
+// CHECK-CXX11: define {{.*}} @_Z1cPFivE(
+// CHECK-CXX17: define {{.*}} @_Z1cPDoFivE(
+void c(int() throw()) {}
+// CHECK: define {{.*}} @_Z1dPFivE(
+void d(int() noexcept(false)) {}
+// CHECK-CXX11: define {{.*}} @_Z1ePFivE(
+// CHECK-CXX17: define {{.*}} @_Z1ePDoFivE(
+void e(int() noexcept(true)) {}
+
+template<bool B> void f(int() noexcept(B)) {}
+// CHECK: define {{.*}} @_Z1fILb0EEvPDOT_EFivE(
+template void f<false>(int());
+// CHECK: define {{.*}} @_Z1fILb1EEvPDOT_EFivE(
+template void f<true>(int() noexcept);
+
+template<typename...T> void g(int() throw(T...)) {}
+// CHECK: define {{.*}} @_Z1gIJEEvPDwDpT_EFivE(
+template void g<>(int() noexcept);
+// CHECK: define {{.*}} @_Z1gIJfEEvPDwDpT_EFivE(
+template void g<float>(int());
+
+// We consider the exception specifications in parameter and return type here
+// to be different.
+template<typename...T> auto h(int() throw(int, T...)) -> int (*)() throw(T..., int) { return nullptr; }
+// CHECK: define {{.*}} @_Z1hIJEEPDwDpT_iEFivEPDwiS1_EFivE(
+template auto h<>(int()) -> int (*)();
+// CHECK: define {{.*}} @_Z1hIJfEEPDwDpT_iEFivEPDwiS1_EFivE(
+template auto h<float>(int()) -> int (*)();
+
+// FIXME: The C++11 manglings here are wrong; they should be the same as the
+// C++17 manglings.
+// The mangler mishandles substitutions for instantiation-dependent types that
+// differ only in type sugar that is not relevant for mangling. (In this case,
+// the types differ in presence/absence of ParenType nodes under the pointer.)
+template<typename...T> auto i(int() throw(int, T...)) -> int (*)() throw(int, T...) { return nullptr; }
+// CHECK-CXX11: define {{.*}} @_Z1iIJEEPDwiDpT_EFivEPS2_(
+// CHECK-CXX17: define {{.*}} @_Z1iIJEEPDwiDpT_EFivES3_(
+template auto i<>(int()) -> int (*)();
+// CHECK-CXX11: define {{.*}} @_Z1iIJfEEPDwiDpT_EFivEPS2_(
+// CHECK-CXX17: define {{.*}} @_Z1iIJfEEPDwiDpT_EFivES3_(
+template auto i<float>(int()) -> int (*)();